<html>

<head>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.3.2/socket.io.min.js"></script>
    <script>
        const socket = io("http://localhost:4000", {
            path: "/io"
        });
        socket.on("1232", (arg) => {
            log.info(arg);
        });
    </script>
</head>

<body>
    <div>111</div>
</body>

</html>